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MAX1644EAE The MAX1644EAE is a 2A step-down DC-DC converter from Analog Devices. It offers adjustable output voltage and high efficiency, packaged in a 16-SSOP.
Mfr Part #:

MAX1644EAE

Available from 9 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX1644EAE is a 2A step-down DC-DC converter from Analog Devices. It offers adjustable output voltage and high efficiency, packaged in a 16-SSOP.
✓ Total Stock: 42,507 pcs
$ Price Range: $1.08

MAX1644EAE Available from 9 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
20,782 pcs
On Request
20782 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
7,450 pcs
On Request
7450 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
7,100 pcs
On Request
7100 pcs On Request 1 On Request On Request 00+ On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request On Request
Chanetech ✓
Non-Authorised Inventory information
2,350 pcs
On Request
2350 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
458 pcs
On Request
458 pcs On Request 1 On Request On Request 04+ On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
325 pcs
On Request
325 pcs On Request 1 On Request On Request 17+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
34 pcs
On Request
34 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
8 pcs
On Request
8 pcs On Request 1 On Request On Request 03+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MAX1644EAE Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Efficiency
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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MAX1644EAE Description

Short technical summary and product information.

The MAX1644EAE is a constant-off-time, PWM step-down DC-DC converter from Analog Devices, designed for applications requiring efficient voltage regulation. It features internal synchronous rectification, eliminating the need for an external Schottky diode and reducing component count. This device can deliver continuous load currents up to 2A.

 

The MAX1644EAE provides an adjustable output voltage from +1.1V to VIN, or can be pin-selected for +3.3V or +2.5V outputs. It achieves efficiencies as high as 95% and operates within a +3V to +5.5V input voltage range. The converter utilizes a current-mode, constant-off-time PWM control scheme with Idle Mode™ for high efficiency during light-load operation. The programmable constant-off-time architecture allows switching frequencies up to 350kHz, enabling optimization of performance trade-offs.

 

Key features include ±1% output accuracy, adjustable soft-start for inrush current limiting, 100% duty cycle mode for low-dropout operation, and a low-power shutdown mode reducing supply current below 1µA. Thermal shutdown and output short-circuit protection are also integrated.

 

The MAX1644EAE is supplied in a 16-pin SSOP package, suitable for surface mounting. Its compact size and integrated features make it ideal for PC cards, CPU daughter cards, and desktop computer bus-termination boards.

MAX1644EAE Quick Information

Product Type: DC-DC Switching Regulator
Canonical Name: MAX1644EAE 2A Step-Down DC-DC Converter
Subcategory: DC-DC Switching Regulator

MAX1644EAE Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX1644EAE Estimated Pricing

Qty Low High
1+ $1.08 $1.08

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX1644EAE Features

  • 2A continuous load current capability.
  • Up to 95% efficiency.
  • Adjustable output voltage from 1.1V.
  • Internal synchronous rectification included.
  • 16-SSOP package for surface mounting.

MAX1644EAE Applications

  • Ideal for PC cards.
  • Suitable for CPU daughter cards.
  • Used in desktop bus-termination.
  • Supports +3.3V PC Card applications.
  • Notebook and subnotebook computers.

MAX1644EAE FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage range of the MAX1644EAE?

The MAX1644EAE can be adjusted down to 1.1V, or pin-selected to 2.5V or 3.3V.

What is the package type of the MAX1644EAE?

The MAX1644EAE is available in a 16-SSOP surface mount package.

What is the operating temperature range of the MAX1644EAE?

The operating temperature range is -40°C to 85°C.

What is the maximum output current of the MAX1644EAE?

The MAX1644EAE can deliver up to 2A output current.

What is the input voltage range for the MAX1644EAE?

The input voltage range is 3V to 5.5V.

What is the efficiency of the MAX1644EAE?

The maximum efficiency is 95%.

Does the MAX1644EAE have synchronous rectification?

Yes, it includes synchronous rectification.

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